Decide whether or not the ordered pair is a solution of the equation.20x - 12y = -84; (-3,2)
A. Yes
B. No
Answer: A
Mathematics
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Write a mathematical expression for the word phrase.16 more than the difference of -7 and 9
A. (-7 - 9) + 16 B. (-7 - 16) + 9 C. (7 - 9) + 16 D. (-7 + 9) + 16
Mathematics
Solve the equation.(x2 - 2x)2 - 23(x2 - 2x) + 120 = 0
A. {5, 4} B. {- 3, - 2, 5, 4} C. {- 3, - 2, 15, 8, 5, 4} D. {15, 8}
Mathematics
For the given quadratic equation, use the discriminant to determine the number and type of solutions.9x2 - 12x + 4 = 0
A. One real B. Two nonreal complex C. Two real
Mathematics
Simplify.(4x)(3x) + (-3x)(-8x)
A. -36x2 B. 36x2 C. -36x D. 36x
Mathematics